function $(url,id,eval_str)
{
	if(document.getElementById)
	{
		var x=(window.ActiveXObject)?new ActiveXObject("Microsoft.XMLHTTP"):new XMLHttpRequest();
	}
	if(x)
	{x.onreadystatechange=function()
		{
			el=document.getElementById(id);
			el.innerHTML='<img src="http://anh-huy.com/images/loading2.gif"  width="20" />';
			if(x.readyState==4&&x.status==200){
			el.innerHTML='';
			el=document.getElementById(id);
			el.innerHTML=x.responseText;
			eval(eval_str);
		}
	}
	x.open("GET",url,true);x.send(null);
	}
}

function change(id)
{
	$('http://anh-huy.com/weather.php?id='+id,'noidung');
}